:root{
  --primary:#c8412f;
  --primary-dark:#9c2f20;
  --primary-light:#f4d6cf;
  --accent:#f0a830;
  --text:#2b2b2b;
  --text-light:#6b6b6b;
  --bg:#ffffff;
  --bg-alt:#f7f3ee;
  --border:#e6ddd3;
  --shadow:0 6px 20px rgba(60,40,20,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.section-header{text-align:center;max-width:760px;margin:0 auto 48px}
.section-title{font-size:32px;color:var(--text);position:relative;display:inline-block;padding-bottom:14px}
.section-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:4px;border-radius:2px;background:var(--primary)}
.section-subtitle{margin-top:16px;color:var(--text-light);font-size:16px}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex;align-items:center;gap:16px}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px}
.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;border:1px solid var(--border)}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(60,40,20,.14)}
.card-icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:var(--primary-light);color:var(--primary);font-size:24px;margin-bottom:18px}
.card-title{font-size:19px;margin-bottom:10px;color:var(--text)}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:14px}
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:0 4px 18px rgba(60,40,20,.1);border-color:var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:1px;display:flex;align-items:center;gap:8px}
.nav-logo::before{content:"▶";font-size:16px;color:var(--accent)}
.nav-list{display:flex;align-items:center;gap:30px}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:color .25s}
.nav-link:hover{color:var(--primary)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .25s}
.nav-link:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--primary);cursor:pointer;padding:4px 8px}
.nav-cta{padding:9px 20px;font-size:14px}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#2b1d17 0%,#4a2b20 55%,#7a3a26 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 20%,rgba(240,168,48,.18),transparent 45%),radial-gradient(circle at 85% 80%,rgba(200,65,47,.25),transparent 50%)}
.hero-inner{position:relative;max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}
.hero-title{font-size:46px;letter-spacing:1px;margin-bottom:22px;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.hero-title span{color:var(--accent)}
.hero-subtitle{font-size:18px;color:#e8ddd4;max-width:760px;margin:0 auto 36px}
.hero-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}
.hero-actions .btn-outline{border-color:var(--accent);color:var(--accent)}
.hero-actions .btn-outline:hover{background:var(--accent);color:#2b1d17;border-color:var(--accent)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin:0 auto;padding-top:36px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stat{text-align:center}
.hero-stat-num{font-size:36px;font-weight:800;color:var(--accent);display:block;line-height:1.2}
.hero-stat-label{font-size:14px;color:#d8cabf;margin-top:6px;display:block}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline-item{position:relative;margin-bottom:34px}
.timeline-dot{position:absolute;left:-34px;top:5px;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--primary);box-sizing:border-box}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;margin-bottom:6px}
.timeline-title{font-size:17px;margin-bottom:8px}
.timeline-text{font-size:15px;color:var(--text-light)}
.news-list{display:grid;gap:20px}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(60,40,20,.12)}
.news-title{font-size:18px;margin-bottom:10px}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-light);margin-bottom:10px;flex-wrap:wrap}
.news-date{color:var(--text-light)}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.news-summary{font-size:15px;color:var(--text-light)}
.news-body{font-size:15px;color:var(--text-light);margin-top:12px;padding-top:12px;border-top:1px dashed var(--border)}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{background:var(--bg-alt);color:var(--text-light);font-size:12px;padding:4px 12px;border-radius:20px;border:1px solid var(--border)}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:16px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow)}
.faq-question{font-size:17px;font-weight:700;color:var(--text);position:relative;padding-left:26px}
.faq-question::before{content:"Q";position:absolute;left:0;top:0;color:var(--primary);font-weight:800}
.faq-answer{font-size:15px;color:var(--text-light);margin-top:10px;padding-left:26px;position:relative}
.faq-answer::before{content:"A";position:absolute;left:0;top:0;color:var(--accent);font-weight:800}
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .25s,box-shadow .25s}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,65,47,.12)}
.form-textarea{min-height:130px;resize:vertical}
.form-submit{padding:13px 32px;border:none;border-radius:8px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .25s,transform .25s}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px)}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px}
.stat-item{text-align:center;padding:18px}
.stat-number{font-size:34px;font-weight:800;color:var(--primary);display:block;line-height:1.2}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;display:block}
.progress{height:10px;background:var(--bg-alt);border-radius:6px;overflow:hidden;margin-top:10px}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:6px}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:180px;padding:0 8px}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:6px 6px 0 0;transition:height .4s}
.bar-label{font-size:13px;color:var(--text-light);margin-top:8px}
.badge{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;font-weight:600;background:var(--accent);color:#3a2405}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,.benefit-card:hover,.region-card:hover,.support-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(60,40,20,.14)}
.partner-logo{height:70px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border);border-radius:10px;color:var(--text-light);font-size:14px;background:#fff}
.step-list{display:grid;gap:20px;max-width:820px;margin:0 auto}
.step-item{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow)}
.step-number{flex:0 0 46px;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:800;font-size:18px}
.footer{background:#2b1d17;color:#cfc4ba;padding:64px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.footer-col{display:flex;flex-direction:column;gap:12px}
.footer-title{font-size:16px;color:#fff;margin-bottom:6px;font-weight:700}
.footer-link{font-size:14px;color:#cfc4ba;transition:color .25s}
.footer-link:hover{color:var(--accent)}
.footer-info{font-size:14px;color:#b8a99d;line-height:1.9}
.footer-bottom{max-width:1200px;margin:48px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#9c8e83}
@media (max-width:1199px){
  .hero-title{font-size:40px}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:34px}
}
@media (max-width:768px){
  .nav-list{position:fixed;top:68px;left:0;width:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .3s ease}
  .nav-list.open{max-height:420px}
  .nav-link{display:block;padding:15px 24px;border-top:1px solid var(--border)}
  .nav-link::after{display:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .section{padding:60px 0}
  .section-title{font-size:26px}
  .hero{padding:120px 0 70px}
  .hero-title{font-size:28px}
  .hero-subtitle{font-size:16px}
  .footer-inner{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:480px){
  .hero-title{font-size:24px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px}
  .hero-stat-num{font-size:28px}
  .grid-4{grid-template-columns:1fr}
  .card{padding:22px}
  .section{padding:48px 0}
}